In the sentences extracted from financial agreements in U.S. SEC filings, identify the named entities that represent a person ('PER'), an organization ('ORG'), or a location ('LOC'). The required answer format is: 'entity name, entity type'.
Text: Three Center Plaza Boston , Massachusetts 02108
Answer:
Three Center Plaza Boston, LOC
Massachusetts 02108, LOC
B-LOC I-LOC I-LOC I-LOC O B-LOC I-LOC
Three Center Plaza Boston , Massachusetts 02108